In a Set of 12 Aluminum Castings, Two Castings Are

question 102

Multiple Choice

In a set of 12 aluminum castings, two castings are defective (D) , and the remaining ten are good (G) .A quality control inspector randomly selects three of the twelve castings with replacement to test.The sample space for selecting the group to test contains __________ elementary events.

• A)8
• B)220
• C)120
• D)10
• E)66

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Definitions:

Yield Differential

The difference in returns between two different investments, often used to compare the potential earnings from bonds of different countries.

Recessionary Periods

Recessionary periods are times of economic decline when there is a decrease in the gross domestic product (GDP), employment, and spending for two consecutive quarters or more.

Bond Ratings

An assessment of the creditworthiness of a bond issuer, reflecting the likelihood of the bond’s credit default, ranked by grade by credit rating agencies.

Call Protection Provision

A feature of a bond that prohibits the issuer from redeeming the bond before a specified date, protecting bondholders.